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Also known as: Returned Libra, 8220 Gang, Water Sigbin, 8220 Mining Group
The 8220 Gang, also known as Water Sigbin, is a threat actor group that focuses on deploying cryptocurrency-mining malware. They exploit vulnerabilities in Oracle WebLogic servers, such as CVE-2017-3506 and CVE-2023-21839, to deliver cryptocurrency miners using PowerShell scripts. The group has demonstrated a sophisticated multistage loading technique to deploy the PureCrypter loader and XMRIG crypto miner. They are known for using obfuscation techniques, such as hexadecimal encoding and code obfuscation, to evade detection and compromise systems.
| CVE ID | Action |
|---|---|
| CVE-2022-26134 |
| CVE-2017-3506 | View Details |
| CVE-2023-21839 | View Details |
| CVE-2020-14883 | View Details |